package com.example.leetdemo.process;

public class Solution630 {
    public int scheduleCourse(int[][] courses) {

        return 0;
    }

    public static void main(String[] args) {
        String time = "202111130300";
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(time, 0, 4);
        stringBuilder.append("-");
        stringBuilder.append(time, 4, 6);
        stringBuilder.append("-");
        stringBuilder.append(time, 6, 8);
        stringBuilder.append(" ");
        stringBuilder.append(time, 8, 10);
        stringBuilder.append(":");
        stringBuilder.append(time, 10, 12);
        stringBuilder.append(":00");
        String result = stringBuilder.toString();
        System.err.println(result);

    }
}
